functions/Find-DbaCommand.ps1
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function Find-DbaCommand { <# .SYNOPSIS Finds dbatools commands searching through the inline help text .DESCRIPTION Finds dbatools commands searching through the inline help text, building a consolidated json index and querying it because Get-Help is too slow .PARAMETER Tag Finds all commands tagged with this auto-populated tag .PARAMETER Author Finds all commands tagged with this author .PARAMETER MinimumVersion Finds all commands tagged with this auto-populated minimum version .PARAMETER MaximumVersion Finds all commands tagged with this auto-populated maximum version .PARAMETER Rebuild Rebuilds the index .PARAMETER Pattern Searches help for all commands in dbatools for the specified pattern and displays all results .PARAMETER Confirm Confirms overwrite of index .PARAMETER WhatIf Displays what would happen if the command is run .NOTES Tags: Find,Help,Command Original Author: Simone Bizzotto Website: https://dbatools.io Copyright: (C) Chrissy LeMaire, clemaire@gmail.com License: GNU GPL v3 https://opensource.org/licenses/GPL-3.0 .LINK https://dbatools.io/Find-DbaCommand .EXAMPLE Find-DbaCommand "snapshot" For lazy typers: finds all commands searching the entire help for "snapshot" .EXAMPLE Find-DbaCommand -Pattern "snapshot" For rigorous typers: finds all commands searching the entire help for "snapshot" .EXAMPLE Find-DbaCommand -Tag copy Finds all commands tagged with "copy" .EXAMPLE Find-DbaCommand -Tag copy,user Finds all commands tagged with BOTH "copy" and "user" .EXAMPLE Find-DbaCommand -Author chrissy Finds every command whose author contains our beloved "chrissy" .EXAMPLE Find-DbaCommand -Author chrissy -Tag copy Finds every command whose author contains our beloved "chrissy" and it tagged as "copy" .EXAMPLE Find-DbaCommand -Pattern snapshot -Rebuild Finds all commands searching the entire help for "snapshot", rebuilding the index (good for developers) #> [CmdletBinding(SupportsShouldProcess = $true)] param ( [String]$Pattern, [String[]]$Tag, [String]$Author, [String]$MinimumVersion, [String]$MaximumVersion, [switch]$Rebuild ) begin { $tagsRex = ([regex]'(?m)^[\s]{0,15}Tags:(.*)$') $authorRex = ([regex]'(?m)^[\s]{0,15}Author:(.*)$') $minverRex = ([regex]'(?m)^[\s]{0,15}MinimumVersion:(.*)$') $maxverRex = ([regex]'(?m)^[\s]{0,15}MaximumVersion:(.*)$') function Get-DbaHelp([String]$commandName) { $thishelp = Get-Help $commandName -Full $thebase = @{ } $thebase.CommandName = $commandName $thebase.Name = $thishelp.Name ## fetch the description $thebase.Description = $thishelp.Description.Text ## fetch examples $thebase.Examples = $thishelp.Examples | Out-String -Width 120 ## fetch help link $thebase.Links = ($thishelp.relatedLinks).NavigationLink.Uri ## fetch the synopsis $thebase.Synopsis = $thishelp.Synopsis ## store notes $as = $thishelp.AlertSet | Out-String -Width 120 ## fetch the tags $tags = $tagsrex.Match($as).Groups[1].Value if ($tags) { $thebase.Tags = $tags.Split(',').Trim() } ## fetch the author $author = $authorRex.Match($as).Groups[1].Value if ($author) { $thebase.Author = $author.Trim() } ## fetch MinimumVersion $MinimumVersion = $minverRex.Match($as).Groups[1].Value if ($MinimumVersion) { $thebase.MinimumVersion = $MinimumVersion.Trim() } ## fetch MaximumVersion $MaximumVersion = $maxverRex.Match($as).Groups[1].Value if ($MaximumVersion) { $thebase.MaximumVersion = $MaximumVersion.Trim() } [pscustomobject]$thebase } function Get-DbaIndex() { if ($Pscmdlet.ShouldProcess($dest, "Recreating index")) { $dbamodule = Get-Module -Name dbatools $allCommands = $dbamodule.ExportedCommands.Values | Where-Object CommandType -EQ 'Function' $helpcoll = New-Object System.Collections.Generic.List[System.Object] foreach ($command in $allCommands) { $x = Get-DbaHelp "$command" $helpcoll.Add($x) } # $dest = Get-DbaConfigValue -Name 'Path.TagCache' -Fallback "$(Resolve-Path $PSScriptRoot\..)\dbatools-index.json" $dest = "$moduleDirectory\bin\dbatools-index.json" $helpcoll | ConvertTo-Json | Out-File $dest -Encoding UTF8 } } $moduleDirectory = (Get-Module -Name dbatools).ModuleBase } process { $idxFile = "$moduleDirectory\bin\dbatools-index.json" if (!(Test-Path $idxFile) -or $Rebuild) { Write-Verbose "Rebuilding index into $idxFile" $swRebuild = [system.diagnostics.stopwatch]::StartNew() Get-DbaIndex Write-Verbose "Rebuild done in $($swRebuild.ElapsedMilliseconds)ms" } $consolidated = Get-Content -Raw $idxFile | ConvertFrom-Json $result = $consolidated if ($Pattern.Length -gt 0) { $result = $result | Where-Object { $_.PsObject.Properties.Value -like "*$Pattern*" } } if ($Tag.Length -gt 0) { foreach ($t in $Tag) { $result = $result | Where-Object Tags -Contains $t } } if ($Author.Length -gt 0) { $result = $result | Where-Object Author -Like "*$Author*" } if ($MinimumVersion.Length -gt 0) { $result = $result | Where-Object MinimumVersion -GE $MinimumVersion } if ($MaximumVersion.Length -gt 0) { $result = $result | Where-Object MaximumVersion -LE $MaximumVersion } Select-DefaultView -InputObject $result -Property CommandName, Synopsis } } |